(S)-Fmoc-2-amino-5-[(N'-Pbf-N''-tert-butoxy)-guanidino]-pentanoic acid, 97% CAS 1060769-55-2
| CAS No. | 1060769-55-2 |
| Molecular Formula | C38H48N4O8S |
| Molecular Weight | 720.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (S)-Fmoc-2-amino-5-[(N'-Pbf-N''-tert-butoxy)-guanidino]-pentanoic acid, 97% meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies (S)-Fmoc-2-amino-5-[(N'-Pbf-N''-tert-butoxy)-guanidino]-pentanoic acid, 97% (CAS 1060769-55-2), a certified reference material (molecular formula C38H48N4O8S, MW 720.87 g/mol) for analytical method development and quality control.
Structurally, (S)-Fmoc-2-amino-5-[(N'-Pbf-N''-tert-butoxy)-guanidino]-pentanoic acid, 97% (C38H48N4O8S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 720.87 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C38H48N4O8S |
| Molecular Weight | 720.87 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related S Standards
- Fmoc-β-Ala-Arg(Pbf)-OH XTFA (CAS CATO-C3D-2840)
- Fmoc-β-Ala-D-Arg(Pbf)-OH (CAS CATO-CPTD788496)
- Fmoc-β-Ala-Arg(Pbf)-OH (CAS CATO-CPTD788640)
- Fmoc-Lys(Boc)-Cys(Psi(Dmp,H)pro)-OH (CAS 1926163-07-6)
- Fmoc-Asn(Trt)-Ser(Psi(Me,Me)pro)-OH (CAS 920519-33-1)
- Fmoc-Pro-Pro-Pro-Pro-Pro-OH (CAS 454693-94-8)
- Fmoc-Lys(5'-FAM)-OH (CAS 1242933-88-5)
- Fmoc-Lys(6'-FAM)-OH (CAS 1266666-04-9)
Recommended Standards
- 1,4(1,4)-Dibenzenacyclohexaphane-12,43-diylbis(bis(3,5-dimethylphenyl)phosphine oxide) (CAS 936475-00-2)
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- (R)-Pseudo-o-bis(di(3,5-dimethylphenyl)phosphinyl)[2.2]paracyclophane (CAS 936490-79-8)
- 1,3-Dihydroxy-2,4-bis[5-(4-morpholinyl)-3,4-diphenyl-2-thienyl]-Cyclobutenediylium bis(inner salt) (CAS 137020-23-6)
- tert-butyl (1S,4R)-2-oxo-7-azabicyclo[2.2.1]heptane-7-carboxylate (CAS 163513-99-3)
- 4-Chloro-3-(difluoromethyl)-5-phenyl-1H-pyrazole (CAS 1029636-02-9)
- 4-[4-Amino-2-(trifluoromethyl)phenyl]-2-piperazinone (CAS 1183065-10-2)
- 1-(3-Bromophenyl)-5-hydroxy-2-(hydroxymethyl)pyridin-4(1H)-one (CAS 1333331-97-7)
- Trimethylsulfonium Iodide (CAS 2181-42-2)
- Ethyl 4-oxo-8-phenyl-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxylate (CAS 1038994-32-9)
- 6-Oxoheptanenitrile (CAS 18458-15-6)
- 3-Hydrazineyl-1-(methoxymethyl)cyclobutan-1-ol (CAS 2299253-46-4)
- 1-[3-(dimethylamino)propyl]imidazolidine-2,4,5-trione hydrochloride (CAS 1394042-21-7)
- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com